LSY114 Hydrostatic Tester for Threaded Pipe (API Tubing & Casing Pipe)

LSY114 Hydrostatic Tester for Threaded Pipe (API Tubing & Casing Pipe)

  • Model: LSY114

  • Pipe Size: Ф60–114.3mm (2-3/8'' to 4-1/2''), Length: 7.5-10m (Customizable)

  • Max. Pressure: 40MPa (5,801psi, Customizable)

  • Working Capacity: ≥ 40 pcs/h (90 seconds per pipe)

  • Screwing Speed: 5-20r/min

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Products Description

Equipment Video

Equipment Parameters

SpecificationValue
ModelLSY114
Pipe Size

Ф60-114.3 mm (Deviation Accuracy ≤ ±1.0%), Length: 7.5-10m (Bending Curvature ≤ 2 mm per 1000 mm, Customizable for longer or shorter range)

Pressure Testing SpeedCapacity ≥ 40 pcs/h (90 seconds per pipe)
Max. Pressure40MPa (5,801psi, Customizable); Axial bearing capacity: 50T
Application Scenarios

Hydrostatic pressure testing for tubing and casing pipe (API testing and automatic makeup & breakout)

Operation ModeAuto / Manual / Debugging & Maintenance
Pipe End ConditionThreaded Pipe
Pipe MaterialStainless Steel / Duplex / SuperDuplex / Inconel Grades  (Soft contact system, avoid contact with carbon steel materials)
Pressure Holding Time0~60s (Adjustable)
Screwing Speed5-20r/min
Trolley Travel Speed0.55m/s (During Empty Stroke)
Pipe Tightening Torque2,000N.m (Adjustable)
Pipe Disassembly Torque4,000N.m (Adjustable)
System Installed Power40kW
Equipment Dimensions14000mm × 1400mm × 1500mm
Trolley Stroke

Trolley 1: 2500mm

Trolley 2: 500mm

Hydraulic Station Pressure

Low Pressure: 6-8MPa (870-1,160psi)

High Pressure: 12.5MPa (1,812.5psi)

Note: The conversion for 40 MPa to psi is approximately 5,801 psi.


I. Structures and Features

1. Overview

The LSY114 Automatic Threaded Pipe Hydrostatic Tester (API casing and tubing) is used to perform hydrostatic pressure tests on casing and tubing to detect defects. The machine can automatically makeup the coupling and thread of pipe, then move on to the hydrostatic testing procedure. It seals both ends of the pipe using a radial large-gap sealing method, fills it with high-pressure water, and holds the pressure for a specified time to check for leaks. Test results are saved in a database for traceability.

The process begins with the pipe entering the feeding rack, where it is moved to the alignment station and aligned with a fixed-end stopper. After a swirling water flush, the pipe is transferred to the test station. The test head moves to seal the pipe ends, and the pre-sealing booster starts sealing. After low-pressure water injection and venting, the main booster pressurizes the pipe. Pressure is held, and the test data is automatically recorded in the database.

After pressure holding, the system checks if the pipe passes the test. Unloading valves are opened to release pressure, and the pipe is flipped out of the tester. Failed products are sent to the waste bin, while qualified products proceed to the next process, completing one test cycle.

2. Process Workflow

Feeding Pipe → Pipe Flipping → Alignment, Swirling Flush Pipe → Hydrostatic Tester Feeding → Water Injection Test Head Positioning → Fixture Clamping → Pre-Sealing → Water Injection and Exhausting→ Pipe Pressurization → Pressure Holding → Pressure Release → Pipe Discharge from Hydrostatic Tester (Signal for Failed Products) → Air Blow for Water Evacuation → Discharge to Output Rack (Failed Products Directly to Waste Bin) → Next Cycle

3. Main Parts of LSY114 Single-pipe Hydro Tester

  • Loading Table (Auxiliary Machine)

  • Air Blow-off Device

  • Hydrostatic Tester Main Unit

    • Frame

    • Water Injection Test Head

    • Exhausting Test Head

    • Pipe Inlet/Outlet Conveyor System

    • Clamping Device

    • Test Molds

  • Water System

    • Low-pressure water system

    • High-pressure water system

  • Electrical-hydraulic Control System

  • Control System (Siemens S7-1200 PLC + 19'' Upper Computer)

II. Scope of Supply

1. Mechanical Equipment

No.Equipment NameQuantity (Set)
1Hydrostatic Testing Machine Main Unit1
2Booster (Integrated)1
3Filling Tank (4 cubic meters)1
Alignment and Water Control1


2. Pneumatic System

No.Equipment NameQuantity (Set)
1Piping Accessories1
2Control System1


3. Hydraulic System

No.Equipment NameQuantity (Set)
1Hydraulic Pump Station1
2Hydraulic Cylinder and its Control1


4. Electrical Control System

No.Equipment NameQuantity (Set)
1Power Control Cabinet1
2Switch Control Cabinet1
3On-site Operation Box1
4Main Operation Control Panel1
5Upper-level Industrial Computer1


III. Referenced Images of LSY114 Automatic Threaded Pipe Hydro Tester

0. Standard LSY114/40 Threaded Pipe Hydrostatic Tester Specifications


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1. LSY114/40 Hydro Tester to CNPC, China (API testing for tubing & casing pipes)


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2. LSY114 Threaded Pipe Hydrostatic Tester to Ningxia, China (API tubing & casing pipe)


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